/*
 * Copyright (c) 2012 Johan Fylling
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy 
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights 
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 * copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
 * THE SOFTWARE.
 */

part of engine;


class ParticleWorldState extends WorldState {
  final SmartSet<ParticleSystem> _particleSystems;
  final SmartSet<ParticleSystem> _activeParticleSystems;
  
  ParticleWorldState () : _particleSystems = new SmartSet<ParticleSystem>(), 
                          _activeParticleSystems = new SmartSet<ParticleSystem>(){
  }
  
  bool addWorldObject (WorldObject obj) {
    if(super.addWorldObject(obj)) {
      if (obj.body is ParticleSystem) {
        addParticleSystem(obj.body);
      }
      return true;
    } else {
      return false;
    }
  }
  
  void addParticleSystem (ParticleSystem ps) {
    this._particleSystems.add(ps);
    this._activeParticleSystems.add(ps);
  }
  
  SmartSet<ParticleSystem> get particleSystems => this._particleSystems;
  
  SmartSet<ParticleSystem> get activeParticleSystems => this._activeParticleSystems;
  
  toJson () {
    var data = super.toJson();
    assert(data is Map);
    data["type"] = "particle_world_state";
    return data;
  }
}


class ParticleWorldStateStorageHandler extends WorldStateStorageHandler {
  ParticleWorldStateStorageHandler (WorldState worldState, BroadphaseDetector broadphaseDetector) : super(worldState, broadphaseDetector);
  
  call (StorageManager manager, Map attributes) {
    if (worldState == null) {
      worldState = new ParticleWorldState();
    }
    return super.call(manager, attributes);
  }
}
